package day006.api_scanner;

import java.util.Scanner;

public class ScannerDemo {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个数字：");
        int num = sc.nextInt();
        System.out.println("你输入的是：" + num);
    }
}
